TrendlineTypes API in React Chart API component

Defines the type of trendlines. They are:

• Linear - Defines the linear trendline.
• Exponential - Defines the exponential trendline.
• Polynomial - Defines the polynomial trendline.
• Power - Defines the power trendline.
• Logarithmic - Defines the logarithmic trendline.
• MovingAverage - Defines the moving average trendline.
• Linear
• Exponential
• Polynomial
• Power
• Logarithmic
• MovingAverage